.display {
  display: inline-block;
  vertical-align: top;
}
.box {
  box-sizing: border-box;
}
.ly-video {
  width: 100%;
  height: 100%;
}
.ly-video video {
  width: 100%;
  display: block;
}
.ly-index {
  width: 100%;
  height: 50px;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  text-align: center;
  font-size: 0;
}
.ly-index a {
  display: inline-block;
  vertical-align: top;
  padding: 0 20px;
  color: #fff;
  border: 1px solid #fff;
  border-radius: 3px;
  height: 30px;
  line-height: 28px;
  margin: 10px 20px 0;
  box-sizing: border-box;
  font-size: 14px;
}
.ly-index a.ly-look {
  display: none;
}
@media screen and (max-width: 980px) {
  .ly-video {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 50%;
    margin-top: -150px;
  }
}
@keyframes lyFor {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
